yt_dlp/extractor/nhk.py

   1 import re
   2
   3 from .common import InfoExtractor
   4 from ..utils import (
   5     ExtractorError,
   6     int_or_none,
   7     join_nonempty,
   8     parse_duration,
   9     traverse_obj,
  10     unescapeHTML,
  11     unified_timestamp,
  12     url_or_none,
  13     urljoin,
  14 )
  15
  16
  17 class NhkBaseIE(InfoExtractor):
  18     _API_URL_TEMPLATE = 'https://nwapi.nhk.jp/nhkworld/%sod%slist/v7b/%s/%s/%s/all%s.json'
  19     _BASE_URL_REGEX = r'https?://www3\.nhk\.or\.jp/nhkworld/(?P<lang>[a-z]{2})/ondemand'
  20     _TYPE_REGEX = r'/(?P<type>video|audio)/'
  21
  22     def _call_api(self, m_id, lang, is_video, is_episode, is_clip):
  23         return self._download_json(
  24             self._API_URL_TEMPLATE % (
  25                 'v' if is_video else 'r',
  26                 'clip' if is_clip else 'esd',
  27                 'episode' if is_episode else 'program',
  28                 m_id, lang, '/all' if is_video else ''),
  29             m_id, query={'apikey': 'EJfK8jdS57GqlupFgAfAAwr573q01y6k'})['data']['episodes'] or []
  30
  31     def _extract_episode_info(self, url, episode=None):
  32         fetch_episode = episode is None
  33         lang, m_type, episode_id = NhkVodIE._match_valid_url(url).groups()
  34         if len(episode_id) == 7:
  35             episode_id = episode_id[:4] + '-' + episode_id[4:]
  36
  37         is_video = m_type == 'video'
  38         if fetch_episode:
  39             episode = self._call_api(
  40                 episode_id, lang, is_video, True, episode_id[:4] == '9999')[0]
  41         title = episode.get('sub_title_clean') or episode['sub_title']
  42
  43         def get_clean_field(key):
  44             return episode.get(key + '_clean') or episode.get(key)
  45
  46         series = get_clean_field('title')
  47
  48         thumbnails = []
  49         for s, w, h in [('', 640, 360), ('_l', 1280, 720)]:
  50             img_path = episode.get('image' + s)
  51             if not img_path:
  52                 continue
  53             thumbnails.append({
  54                 'id': '%dp' % h,
  55                 'height': h,
  56                 'width': w,
  57                 'url': 'https://www3.nhk.or.jp' + img_path,
  58             })
  59
  60         info = {
  61             'id': episode_id + '-' + lang,
  62             'title': '%s - %s' % (series, title) if series and title else title,
  63             'description': get_clean_field('description'),
  64             'thumbnails': thumbnails,
  65             'series': series,
  66             'episode': title,
  67         }
  68         if is_video:
  69             vod_id = episode['vod_id']
  70             info.update({
  71                 '_type': 'url_transparent',
  72                 'ie_key': 'Piksel',
  73                 'url': 'https://movie-s.nhk.or.jp/v/refid/nhkworld/prefid/' + vod_id,
  74                 'id': vod_id,
  75             })
  76         else:
  77             if fetch_episode:
  78                 audio_path = episode['audio']['audio']
  79                 info['formats'] = self._extract_m3u8_formats(
  80                     'https://nhkworld-vh.akamaihd.net/i%s/master.m3u8' % audio_path,
  81                     episode_id, 'm4a', entry_protocol='m3u8_native',
  82                     m3u8_id='hls', fatal=False)
  83                 for f in info['formats']:
  84                     f['language'] = lang
  85             else:
  86                 info.update({
  87                     '_type': 'url_transparent',
  88                     'ie_key': NhkVodIE.ie_key(),
  89                     'url': url,
  90                 })
  91         return info
  92
  93
  94 class NhkVodIE(NhkBaseIE):
  95     # the 7-character IDs can have alphabetic chars too: assume [a-z] rather than just [a-f], eg
  96     _VALID_URL = r'%s%s(?P<id>[0-9a-z]{7}|[^/]+?-\d{8}-[0-9a-z]+)' % (NhkBaseIE._BASE_URL_REGEX, NhkBaseIE._TYPE_REGEX)
  97     # Content available only for a limited period of time. Visit
  98     # https://www3.nhk.or.jp/nhkworld/en/ondemand/ for working samples.
  99     _TESTS = [{
 100         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/2061601/',
 101         'info_dict': {
 102             'id': 'yd8322ch',
 103             'ext': 'mp4',
 104             'description': 'md5:109c8b05d67a62d0592f2b445d2cd898',
 105             'title': 'GRAND SUMO Highlights - [Recap] May Tournament Day 1 (Opening Day)',
 106             'upload_date': '20230514',
 107             'timestamp': 1684083791,
 108             'series': 'GRAND SUMO Highlights',
 109             'episode': '[Recap] May Tournament Day 1 (Opening Day)',
 110             'thumbnail': 'https://mz-edge.stream.co.jp/thumbs/aid/t1684084443/4028649.jpg?w=1920&h=1080',
 111         },
 112     }, {
 113         # video clip
 114         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/9999011/',
 115         'md5': '7a90abcfe610ec22a6bfe15bd46b30ca',
 116         'info_dict': {
 117             'id': 'a95j5iza',
 118             'ext': 'mp4',
 119             'title': "Dining with the Chef - Chef Saito's Family recipe: MENCHI-KATSU",
 120             'description': 'md5:5aee4a9f9d81c26281862382103b0ea5',
 121             'timestamp': 1565965194,
 122             'upload_date': '20190816',
 123             'thumbnail': 'https://mz-edge.stream.co.jp/thumbs/aid/t1567086278/3715195.jpg?w=1920&h=1080',
 124             'series': 'Dining with the Chef',
 125             'episode': 'Chef Saito\'s Family recipe: MENCHI-KATSU',
 126         },
 127     }, {
 128         # audio clip
 129         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/r_inventions-20201104-1/',
 130         'info_dict': {
 131             'id': 'r_inventions-20201104-1-en',
 132             'ext': 'm4a',
 133             'title': "Japan's Top Inventions - Miniature Video Cameras",
 134             'description': 'md5:07ea722bdbbb4936fdd360b6a480c25b',
 135         },
 136         'skip': '404 Not Found',
 137     }, {
 138         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/2015173/',
 139         'only_matching': True,
 140     }, {
 141         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/plugin-20190404-1/',
 142         'only_matching': True,
 143     }, {
 144         'url': 'https://www3.nhk.or.jp/nhkworld/fr/ondemand/audio/plugin-20190404-1/',
 145         'only_matching': True,
 146     }, {
 147         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/j_art-20150903-1/',
 148         'only_matching': True,
 149     }, {
 150         # video, alphabetic character in ID #29670
 151         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/9999a34/',
 152         'info_dict': {
 153             'id': 'qfjay6cg',
 154             'ext': 'mp4',
 155             'title': 'DESIGN TALKS plus - Fishermen’s Finery',
 156             'description': 'md5:8a8f958aaafb0d7cb59d38de53f1e448',
 157             'thumbnail': r're:^https?:/(/[a-z0-9.-]+)+\.jpg\?w=1920&h=1080$',
 158             'upload_date': '20210615',
 159             'timestamp': 1623722008,
 160         },
 161         'skip': '404 Not Found',
 162     }]
 163
 164     def _real_extract(self, url):
 165         return self._extract_episode_info(url)
 166
 167
 168 class NhkVodProgramIE(NhkBaseIE):
 169     _VALID_URL = r'%s/program%s(?P<id>[0-9a-z]+)(?:.+?\btype=(?P<episode_type>clip|(?:radio|tv)Episode))?' % (NhkBaseIE._BASE_URL_REGEX, NhkBaseIE._TYPE_REGEX)
 170     _TESTS = [{
 171         # video program episodes
 172         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/sumo',
 173         'info_dict': {
 174             'id': 'sumo',
 175             'title': 'GRAND SUMO Highlights',
 176         },
 177         'playlist_mincount': 12,
 178     }, {
 179         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/japanrailway',
 180         'info_dict': {
 181             'id': 'japanrailway',
 182             'title': 'Japan Railway Journal',
 183         },
 184         'playlist_mincount': 12,
 185     }, {
 186         # video program clips
 187         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/japanrailway/?type=clip',
 188         'info_dict': {
 189             'id': 'japanrailway',
 190             'title': 'Japan Railway Journal',
 191         },
 192         'playlist_mincount': 5,
 193     }, {
 194         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/10yearshayaomiyazaki/',
 195         'only_matching': True,
 196     }, {
 197         # audio program
 198         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/audio/listener/',
 199         'only_matching': True,
 200     }]
 201
 202     def _real_extract(self, url):
 203         lang, m_type, program_id, episode_type = self._match_valid_url(url).groups()
 204
 205         episodes = self._call_api(
 206             program_id, lang, m_type == 'video', False, episode_type == 'clip')
 207
 208         entries = []
 209         for episode in episodes:
 210             episode_path = episode.get('url')
 211             if not episode_path:
 212                 continue
 213             entries.append(self._extract_episode_info(
 214                 urljoin(url, episode_path), episode))
 215
 216         program_title = None
 217         if entries:
 218             program_title = entries[0].get('series')
 219
 220         return self.playlist_result(entries, program_id, program_title)
 221
 222
 223 class NhkForSchoolBangumiIE(InfoExtractor):
 224     _VALID_URL = r'https?://www2\.nhk\.or\.jp/school/movie/(?P<type>bangumi|clip)\.cgi\?das_id=(?P<id>[a-zA-Z0-9_-]+)'
 225     _TESTS = [{
 226         'url': 'https://www2.nhk.or.jp/school/movie/bangumi.cgi?das_id=D0005150191_00000',
 227         'info_dict': {
 228             'id': 'D0005150191_00003',
 229             'title': 'にている かな',
 230             'duration': 599.999,
 231             'timestamp': 1396414800,
 232
 233             'upload_date': '20140402',
 234             'ext': 'mp4',
 235
 236             'chapters': 'count:12'
 237         },
 238         'params': {
 239             # m3u8 download
 240             'skip_download': True,
 241         },
 242     }]
 243
 244     def _real_extract(self, url):
 245         program_type, video_id = self._match_valid_url(url).groups()
 246
 247         webpage = self._download_webpage(
 248             f'https://www2.nhk.or.jp/school/movie/{program_type}.cgi?das_id={video_id}', video_id)
 249
 250         # searches all variables
 251         base_values = {g.group(1): g.group(2) for g in re.finditer(r'var\s+([a-zA-Z_]+)\s*=\s*"([^"]+?)";', webpage)}
 252         # and programObj values too
 253         program_values = {g.group(1): g.group(3) for g in re.finditer(r'(?:program|clip)Obj\.([a-zA-Z_]+)\s*=\s*(["\'])([^"]+?)\2;', webpage)}
 254         # extract all chapters
 255         chapter_durations = [parse_duration(g.group(1)) for g in re.finditer(r'chapterTime\.push\(\'([0-9:]+?)\'\);', webpage)]
 256         chapter_titles = [' '.join([g.group(1) or '', unescapeHTML(g.group(2))]).strip() for g in re.finditer(r'<div class="cpTitle"><span>(scene\s*\d+)?</span>([^<]+?)</div>', webpage)]
 257
 258         # this is how player_core.js is actually doing (!)
 259         version = base_values.get('r_version') or program_values.get('version')
 260         if version:
 261             video_id = f'{video_id.split("_")[0]}_{version}'
 262
 263         formats = self._extract_m3u8_formats(
 264             f'https://nhks-vh.akamaihd.net/i/das/{video_id[0:8]}/{video_id}_V_000.f4v/master.m3u8',
 265             video_id, ext='mp4', m3u8_id='hls')
 266
 267         duration = parse_duration(base_values.get('r_duration'))
 268
 269         chapters = None
 270         if chapter_durations and chapter_titles and len(chapter_durations) == len(chapter_titles):
 271             start_time = chapter_durations
 272             end_time = chapter_durations[1:] + [duration]
 273             chapters = [{
 274                 'start_time': s,
 275                 'end_time': e,
 276                 'title': t,
 277             } for s, e, t in zip(start_time, end_time, chapter_titles)]
 278
 279         return {
 280             'id': video_id,
 281             'title': program_values.get('name'),
 282             'duration': parse_duration(base_values.get('r_duration')),
 283             'timestamp': unified_timestamp(base_values['r_upload']),
 284             'formats': formats,
 285             'chapters': chapters,
 286         }
 287
 288
 289 class NhkForSchoolSubjectIE(InfoExtractor):
 290     IE_DESC = 'Portal page for each school subjects, like Japanese (kokugo, 国語) or math (sansuu/suugaku or 算数・数学)'
 291     KNOWN_SUBJECTS = (
 292         'rika', 'syakai', 'kokugo',
 293         'sansuu', 'seikatsu', 'doutoku',
 294         'ongaku', 'taiiku', 'zukou',
 295         'gijutsu', 'katei', 'sougou',
 296         'eigo', 'tokkatsu',
 297         'tokushi', 'sonota',
 298     )
 299     _VALID_URL = r'https?://www\.nhk\.or\.jp/school/(?P<id>%s)/?(?:[\?#].*)?$' % '|'.join(re.escape(s) for s in KNOWN_SUBJECTS)
 300
 301     _TESTS = [{
 302         'url': 'https://www.nhk.or.jp/school/sougou/',
 303         'info_dict': {
 304             'id': 'sougou',
 305             'title': '総合的な学習の時間',
 306         },
 307         'playlist_mincount': 16,
 308     }, {
 309         'url': 'https://www.nhk.or.jp/school/rika/',
 310         'info_dict': {
 311             'id': 'rika',
 312             'title': '理科',
 313         },
 314         'playlist_mincount': 15,
 315     }]
 316
 317     def _real_extract(self, url):
 318         subject_id = self._match_id(url)
 319         webpage = self._download_webpage(url, subject_id)
 320
 321         return self.playlist_from_matches(
 322             re.finditer(rf'href="((?:https?://www\.nhk\.or\.jp)?/school/{re.escape(subject_id)}/[^/]+/)"', webpage),
 323             subject_id,
 324             self._html_search_regex(r'(?s)<span\s+class="subjectName">\s*<img\s*[^<]+>\s*([^<]+?)</span>', webpage, 'title', fatal=False),
 325             lambda g: urljoin(url, g.group(1)))
 326
 327
 328 class NhkForSchoolProgramListIE(InfoExtractor):
 329     _VALID_URL = r'https?://www\.nhk\.or\.jp/school/(?P<id>(?:%s)/[a-zA-Z0-9_-]+)' % (
 330         '|'.join(re.escape(s) for s in NhkForSchoolSubjectIE.KNOWN_SUBJECTS)
 331     )
 332     _TESTS = [{
 333         'url': 'https://www.nhk.or.jp/school/sougou/q/',
 334         'info_dict': {
 335             'id': 'sougou/q',
 336             'title': 'Ｑ～こどものための哲学',
 337         },
 338         'playlist_mincount': 20,
 339     }]
 340
 341     def _real_extract(self, url):
 342         program_id = self._match_id(url)
 343
 344         webpage = self._download_webpage(f'https://www.nhk.or.jp/school/{program_id}/', program_id)
 345
 346         title = (self._generic_title('', webpage)
 347                  or self._html_search_regex(r'<h3>([^<]+?)とは？\s*</h3>', webpage, 'title', fatal=False))
 348         title = re.sub(r'\s*\|\s*NHK\s+for\s+School\s*$', '', title) if title else None
 349         description = self._html_search_regex(
 350             r'(?s)<div\s+class="programDetail\s*">\s*<p>[^<]+</p>',
 351             webpage, 'description', fatal=False, group=0)
 352
 353         bangumi_list = self._download_json(
 354             f'https://www.nhk.or.jp/school/{program_id}/meta/program.json', program_id)
 355         # they're always bangumi
 356         bangumis = [
 357             self.url_result(f'https://www2.nhk.or.jp/school/movie/bangumi.cgi?das_id={x}')
 358             for x in traverse_obj(bangumi_list, ('part', ..., 'part-video-dasid')) or []]
 359
 360         return self.playlist_result(bangumis, program_id, title, description)
 361
 362
 363 class NhkRadiruIE(InfoExtractor):
 364     _GEO_COUNTRIES = ['JP']
 365     IE_DESC = 'NHK らじる (Radiru/Rajiru)'
 366     _VALID_URL = r'https?://www\.nhk\.or\.jp/radio/(?:player/ondemand|ondemand/detail)\.html\?p=(?P<site>[\da-zA-Z]+)_(?P<corner>[\da-zA-Z]+)(?:_(?P<headline>[\da-zA-Z]+))?'
 367     _TESTS = [{
 368         'url': 'https://www.nhk.or.jp/radio/player/ondemand.html?p=0449_01_3853544',
 369         'skip': 'Episode expired on 2023-04-16',
 370         'info_dict': {
 371             'channel': 'NHK-FM',
 372             'description': 'md5:94b08bdeadde81a97df4ec882acce3e9',
 373             'ext': 'm4a',
 374             'id': '0449_01_3853544',
 375             'series': 'ジャズ・トゥナイト',
 376             'thumbnail': 'https://www.nhk.or.jp/prog/img/449/g449.jpg',
 377             'timestamp': 1680969600,
 378             'title': 'ジャズ・トゥナイト　ＮＥＷジャズ特集',
 379             'upload_date': '20230408',
 380             'release_timestamp': 1680962400,
 381             'release_date': '20230408',
 382             'was_live': True,
 383         },
 384     }, {
 385         # playlist, airs every weekday so it should _hopefully_ be okay forever
 386         'url': 'https://www.nhk.or.jp/radio/ondemand/detail.html?p=0458_01',
 387         'info_dict': {
 388             'id': '0458_01',
 389             'title': 'ベストオブクラシック',
 390             'description': '世界中の上質な演奏会をじっくり堪能する本格派クラシック番組。',
 391             'channel': 'NHK-FM',
 392             'thumbnail': 'https://www.nhk.or.jp/prog/img/458/g458.jpg',
 393         },
 394         'playlist_mincount': 3,
 395     }, {
 396         # one with letters in the id
 397         'url': 'https://www.nhk.or.jp/radio/player/ondemand.html?p=F300_06_3738470',
 398         'note': 'Expires on 2024-03-31',
 399         'info_dict': {
 400             'id': 'F300_06_3738470',
 401             'ext': 'm4a',
 402             'title': '有島武郎「一房のぶどう」',
 403             'description': '朗読：川野一宇（ラジオ深夜便アンカー）\r\n\r\n（2016年12月8日放送「ラジオ深夜便『アンカー朗読シリーズ』」より）',
 404             'channel': 'NHKラジオ第1、NHK-FM',
 405             'timestamp': 1635757200,
 406             'thumbnail': 'https://www.nhk.or.jp/radioondemand/json/F300/img/corner/box_109_thumbnail.jpg',
 407             'release_date': '20161207',
 408             'series': 'らじる文庫 by ラジオ深夜便 ',
 409             'release_timestamp': 1481126700,
 410             'upload_date': '20211101',
 411         }
 412     }, {
 413         # news
 414         'url': 'https://www.nhk.or.jp/radio/player/ondemand.html?p=F261_01_3855109',
 415         'skip': 'Expires on 2023-04-17',
 416         'info_dict': {
 417             'id': 'F261_01_3855109',
 418             'ext': 'm4a',
 419             'channel': 'NHKラジオ第1',
 420             'timestamp': 1681635900,
 421             'release_date': '20230416',
 422             'series': 'NHKラジオニュース',
 423             'title': '午後６時のNHKニュース',
 424             'thumbnail': 'https://www.nhk.or.jp/radioondemand/json/F261/img/RADIONEWS_640.jpg',
 425             'upload_date': '20230416',
 426             'release_timestamp': 1681635600,
 427         },
 428     }]
 429
 430     def _extract_episode_info(self, headline, programme_id, series_meta):
 431         episode_id = f'{programme_id}_{headline["headline_id"]}'
 432         episode = traverse_obj(headline, ('file_list', 0, {dict}))
 433
 434         return {
 435             **series_meta,
 436             'id': episode_id,
 437             'formats': self._extract_m3u8_formats(episode.get('file_name'), episode_id, fatal=False),
 438             'container': 'm4a_dash',  # force fixup, AAC-only HLS
 439             'was_live': True,
 440             'series': series_meta.get('title'),
 441             'thumbnail': url_or_none(headline.get('headline_image')) or series_meta.get('thumbnail'),
 442             **traverse_obj(episode, {
 443                 'title': 'file_title',
 444                 'description': 'file_title_sub',
 445                 'timestamp': ('open_time', {unified_timestamp}),
 446                 'release_timestamp': ('aa_vinfo4', {lambda x: x.split('_')[0]}, {unified_timestamp}),
 447             }),
 448         }
 449
 450     def _real_extract(self, url):
 451         site_id, corner_id, headline_id = self._match_valid_url(url).group('site', 'corner', 'headline')
 452         programme_id = f'{site_id}_{corner_id}'
 453
 454         if site_id == 'F261':
 455             json_url = 'https://www.nhk.or.jp/s-media/news/news-site/list/v1/all.json'
 456         else:
 457             json_url = f'https://www.nhk.or.jp/radioondemand/json/{site_id}/bangumi_{programme_id}.json'
 458
 459         meta = self._download_json(json_url, programme_id)['main']
 460
 461         series_meta = traverse_obj(meta, {
 462             'title': 'program_name',
 463             'channel': 'media_name',
 464             'thumbnail': (('thumbnail_c', 'thumbnail_p'), {url_or_none}),
 465         }, get_all=False)
 466
 467         if headline_id:
 468             return self._extract_episode_info(
 469                 traverse_obj(meta, (
 470                     'detail_list', lambda _, v: v['headline_id'] == headline_id), get_all=False),
 471                 programme_id, series_meta)
 472
 473         def entries():
 474             for headline in traverse_obj(meta, ('detail_list', ..., {dict})):
 475                 yield self._extract_episode_info(headline, programme_id, series_meta)
 476
 477         return self.playlist_result(
 478             entries(), programme_id, playlist_description=meta.get('site_detail'), **series_meta)
 479
 480
 481 class NhkRadioNewsPageIE(InfoExtractor):
 482     _VALID_URL = r'https?://www\.nhk\.or\.jp/radionews/?(?:$|[?#])'
 483     _TESTS = [{
 484         # airs daily, on-the-hour most hours
 485         'url': 'https://www.nhk.or.jp/radionews/',
 486         'playlist_mincount': 5,
 487         'info_dict': {
 488             'id': 'F261_01',
 489             'thumbnail': 'https://www.nhk.or.jp/radioondemand/json/F261/img/RADIONEWS_640.jpg',
 490             'description': 'md5:bf2c5b397e44bc7eb26de98d8f15d79d',
 491             'channel': 'NHKラジオ第1',
 492             'title': 'NHKラジオニュース',
 493         }
 494     }]
 495
 496     def _real_extract(self, url):
 497         return self.url_result('https://www.nhk.or.jp/radio/ondemand/detail.html?p=F261_01', NhkRadiruIE)
 498
 499
 500 class NhkRadiruLiveIE(InfoExtractor):
 501     _GEO_COUNTRIES = ['JP']
 502     _VALID_URL = r'https?://www\.nhk\.or\.jp/radio/player/\?ch=(?P<id>r[12]|fm)'
 503     _TESTS = [{
 504         # radio 1, no area specified
 505         'url': 'https://www.nhk.or.jp/radio/player/?ch=r1',
 506         'info_dict': {
 507             'id': 'r1-tokyo',
 508             'title': 're:^ＮＨＫネットラジオ第1 東京.+$',
 509             'ext': 'm4a',
 510             'thumbnail': 'https://www.nhk.or.jp/common/img/media/r1-200x200.png',
 511             'live_status': 'is_live',
 512         },
 513     }, {
 514         # radio 2, area specified
 515         # (the area doesnt actually matter, r2 is national)
 516         'url': 'https://www.nhk.or.jp/radio/player/?ch=r2',
 517         'params': {'extractor_args': {'nhkradirulive': {'area': ['fukuoka']}}},
 518         'info_dict': {
 519             'id': 'r2-fukuoka',
 520             'title': 're:^ＮＨＫネットラジオ第2 福岡.+$',
 521             'ext': 'm4a',
 522             'thumbnail': 'https://www.nhk.or.jp/common/img/media/r2-200x200.png',
 523             'live_status': 'is_live',
 524         },
 525     }, {
 526         # fm, area specified
 527         'url': 'https://www.nhk.or.jp/radio/player/?ch=fm',
 528         'params': {'extractor_args': {'nhkradirulive': {'area': ['sapporo']}}},
 529         'info_dict': {
 530             'id': 'fm-sapporo',
 531             'title': 're:^ＮＨＫネットラジオＦＭ 札幌.+$',
 532             'ext': 'm4a',
 533             'thumbnail': 'https://www.nhk.or.jp/common/img/media/fm-200x200.png',
 534             'live_status': 'is_live',
 535         }
 536     }]
 537
 538     _NOA_STATION_IDS = {'r1': 'n1', 'r2': 'n2', 'fm': 'n3'}
 539
 540     def _real_extract(self, url):
 541         station = self._match_id(url)
 542         area = self._configuration_arg('area', ['tokyo'])[0]
 543
 544         config = self._download_xml(
 545             'https://www.nhk.or.jp/radio/config/config_web.xml', station, 'Downloading area information')
 546         data = config.find(f'.//data//area[.="{area}"]/..')
 547
 548         if not data:
 549             raise ExtractorError('Invalid area. Valid areas are: %s' % ', '.join(
 550                 [i.text for i in config.findall('.//data//area')]), expected=True)
 551
 552         noa_info = self._download_json(
 553             f'https:{config.find(".//url_program_noa").text}'.format(area=data.find('areakey').text),
 554             station, note=f'Downloading {area} station metadata')
 555         present_info = traverse_obj(noa_info, ('nowonair_list', self._NOA_STATION_IDS.get(station), 'present'))
 556
 557         return {
 558             'title': ' '.join(traverse_obj(present_info, (('service', 'area',), 'name', {str}))),
 559             'id': join_nonempty(station, area),
 560             'thumbnails': traverse_obj(present_info, ('service', 'images', ..., {
 561                 'url': 'url',
 562                 'width': ('width', {int_or_none}),
 563                 'height': ('height', {int_or_none}),
 564             })),
 565             'formats': self._extract_m3u8_formats(data.find(f'{station}hls').text, station),
 566             'is_live': True,
 567         }